"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   : alter procedure语句，导出再导入
Create At   : 2023.05.23
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.创建用户
    3.创建存储过程并使用alter语句修改存储过程参数
    4.使用gs_dump工具导出表为自定义归档格式
    5.gs_restore导入
    6.连接导入库使用show create procedur语句查询存储过程
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
    7.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0060(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0060"
        self.user_name = "user_dump_0060"
        self.pro_name = "pro_dump_0060"
        self.tb_name = "tb_dump_0060"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0060')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name}_01;" \
                  f"create database {self.db_name} dbcompatibility 'b';" \
                  f"create database {self.db_name}_01 dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, sql_result,
                      '执行失败:' + text)

        text = '--step2: 创建用户 expect: 成功--'
        self.log.info(text)
        sql_cmd = f"drop user if exists {self.user_name};" \
                  f"create user {self.user_name} password " \
                  f"'{macro.PASSWD_INITIAL}';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertIn(self.constant.CREATE_ROLE_SUCCESS_MSG, sql_result,
                      '执行失败:' + text)

        text = '--step3: 创建存储过程并使用alter语句修改存储过程参数 expect: 成功--'
        self.log.info(text)
        sql_cmd = f'''drop procedure if exists {self.pro_name};
        create definer = {self.user_name} procedure \
        {self.pro_name}() language plpgsql \
        BEGIN \
        END;
        alter procedure {self.pro_name} language sql;
        drop procedure if exists {self.pro_name}_01;
        create definer = {self.user_name} procedure {self.pro_name}_01()
            BEGIN
            END;
        alter procedure {self.pro_name}_01 contains sql;
        drop procedure if exists {self.pro_name}_02;
        create definer = {self.user_name} procedure {self.pro_name}_02()
            BEGIN
            END;
        alter procedure {self.pro_name}_02 no sql;
        drop procedure if exists {self.pro_name}_03;
        create definer = {self.user_name} procedure {self.pro_name}_03() \
        reads sql data
        BEGIN
        END;
        alter procedure  {self.pro_name}_03 reads sql data;
        drop procedure if exists {self.pro_name}_04;
        create definer = {self.user_name} procedure {self.pro_name}_04() \
        modifies sql data
            BEGIN
            END;
        alter procedure {self.pro_name}_04 modifies sql data;
        drop procedure if exists {self.pro_name}_05;
        create definer = {self.user_name} procedure {self.pro_name}_05() \
        sql security definer
            BEGIN
            END;
        alter procedure {self.pro_name}_05 sql security invoker;
        drop procedure if exists {self.pro_name}_06;
        create definer = {self.user_name} procedure {self.pro_name}_06() \
        sql security invoker
            BEGIN
            END;
        alter procedure {self.pro_name}_06 sql security definer;'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(7, sql_result.count(
            self.constant.CREATE_PROCEDURE_SUCCESS_MSG), '执行失败:' + text)
        self.assertEqual(7, sql_result.count('ALTER FUNCTION'),
                         '执行失败:' + text)

        text = '----step4: 使用gs_dump工具导出表为自定义归档格式 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dump " \
                      f"-p {self.dbuser_node.db_port} " \
                      f"{self.db_name} -F c " \
                      f"-f {self.dump_path}"
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(f"dump database {self.db_name} successfully",
                      dump_msg, '执行失败:' + text)

        text = '----step5: gs_restore导入 expect: 成功----'
        self.log.info(text)
        gsql_cmd = f"source {macro.DB_ENV_PATH};" \
                   f"gs_restore -p {self.dbuser_node.db_port} " \
                   f"-d {self.db_name}_01 " \
                   f"{self.dump_path}"
        self.log.info(gsql_cmd)
        gsql_msg = self.dbuser_node.sh(gsql_cmd).result()
        self.log.info(gsql_msg)
        self.assertIn(self.constant.RESTORE_SUCCESS_MSG, gsql_msg,
                      '执行失败:' + text)

        text = '----step6: 连接导入库使用show create procedur语句查询存储过程 ' \
               'expect: 成功----'
        self.log.info(text)
        sql_cmd = f"show create procedure {self.pro_name};" \
                  f"show create procedure {self.pro_name}_01;" \
                  f"show create procedure {self.pro_name}_02;" \
                  f"show create procedure {self.pro_name}_03;" \
                  f"show create procedure {self.pro_name}_04;" \
                  f"show create procedure {self.pro_name}_05;" \
                  f"show create procedure {self.pro_name}_06;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=f'{self.db_name}_01')
        self.log.info(sql_result)
        self.assertEqual(7, sql_result.count(
            f'CREATE DEFINER = {self.user_name} PROCEDURE'), '执行失败' + text)

    def tearDown(self):
        text = '---step7: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name}_01;" \
                  f"drop user if exists {self.user_name};"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertEqual(2,
                         sql_result.count(self.constant.DROP_DATABASE_SUCCESS),
                         '执行失败:' + text)
        self.assertIn('DROP ROLE', sql_result, '执行失败:' + text)
        self.assertEqual('', rm_msg)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
